OT-2026-000023769
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023769) never changes.
Identity and time
| Publication number | OT-2026-000023769 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed5-7982-bd4a-a876ae59f2f2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023769 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80967b5e9b31b8bbfad68507f76d8fd56fba054ef645fb77794af3950e6b735f |
|---|---|
| Markdown | a2901b60b228762e41aa5e4016125bd058f6dec0ea827145e7d58638b29d6371 |
| Publication page | 76ca1f62921397a28fdcd0515cd0903fd8f6d7fda8dca9757f13a6cfbea2bb55 |
| Manifest | a03ee06e3d5442dc80411e1e03ca1957071f63913fb1e421f7f88626e13e3a2d |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | JvUCqL0SPwgSTYWh7m1kFBFyeqFsC5/B2cpEzvHCRtJ22ew6cvvlwwsCwK9T9hOGmRCwr9IFhNJd5gJc4qVjBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:50:14.022379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023769observed 76ca1f62921397a28fdcd0515cd0903f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:13.998345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023769/manifest.jsonobserved a03ee06e3d5442dc80411e1e03ca1957...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:13.975134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023769/publication.mdobserved a2901b60b228762e41aa5e4016125bd0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:13.949112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023769/publication.txtobserved 80967b5e9b31b8bbfad68507f76d8fd5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|